高考英语定语从句用法讲解及专练

徐定语从句 高考英语定语从句用法讲解及专练

一.定义：

1.定语从句：修饰一个名词或代词的从句称为定语从句，一般紧跟在它所修饰的先行词后面。

2.关系词：引导定语从句的关联词成为关系词

关系词有关系代词和关系副词。关系代词有that, which, who, whom, whose, as 等；

关系副词有where, when, why等。

关系词常有3个作用：1，引导定语从句。2，代替先行词。3，在定语从句中担当一个成分。

3结构：先行词+关系词+从句

二.关系代词引导的定语从句

1.who指人，在从句中做主语

(1) The boys who are playing football are from Class One.

(2) Yesterday I helped an old man who lost his way.

2. whom指人，在定语从句中充当宾语，常可省略。

(1) Mr. Liu is the person (whom) you talked about on the bus.

(2) Mr. Ling is just the boy whom I want to see.

注意：关系代词whom在口语和非正式语体中常用who代替，可省略。

(3) The man who/whom you met just now is my friend.

3. which指物，在定语从句中做主语或者宾语，做宾语时可省略

(1) Football is a game which is liked by most boys.

(2) This is the pen (which) he bought yesterday.

4. that指人时，相当于who 或者whom；指物时，相当于which。在宾语从句中做主语或者宾语，做宾语时可省略。

(5) The number of the people that/who come to visit the city each year rises one million.

(6) Where is the man that/whom I saw this morning?

5. whose通常指人，也可指物，在定语从句中做定语

(1) He has a friend whose father is a doctor.

(2) I once lived in a house whose roof has fallen in.

whose指物时，常用限定词 名词+of which或 of which+ 限定词 名词结构来代替 三.介词+关系代词引导的定语从句

关系代词在定语从句中做介词宾语时，从句常由介词+关系代词引导 注意：1. 含有介词的动词短语一般不拆开使用，如：look for, look after, take care of等

(1) This is the watch which/that I am looking for. (T)

(2) This is the watch for which I am looking. (F)

2. 若介词放在关系代词前，关系代词指人时用whom，不可用who或者that，不可以省略；指物时用which，不能用that，不可以省略；关系代词是所有格时用whose